threads: use mpv time for mpthread_cond_timedwait wrapper

Use the time as returned by mp_time_us() for mpthread_cond_timedwait(),
instead of calculating the struct timespec value based on a timeout.
This (probably) makes it easier to wait for a specific deadline.

1 files changed, 7 insertions, 0 deletions

diff --git a/osdep/timer.h b/osdep/timer.h
index efb596765a..bc0e5252c9 100644
--- a/osdep/timer.h
+++ b/osdep/timer.h
@@ -44,4 +44,11 @@ void mp_sleep_us(int64_t us);
 // first call will return 0, instead of the absolute current time.)
 int64_t mp_time_relative_us(int64_t *t);
 
+// Add a time in seconds to the given time in microseconds, and return it.
+// Takes care of possible overflows. Never returns a negative or 0 time.
+int64_t mp_add_timeout(int64_t time_us, double timeout_sec);
+
+// Convert the mp time in microseconds to a timespec using CLOCK_REALTIME.
+struct timespec mp_time_us_to_timespec(int64_t time_us);
+
 #endif /* MPLAYER_TIMER_H */